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kasperskyKaspersky LabKLA12299
HistorySep 24, 2021 - 12:00 a.m.

KLA12299 Multiple vulnerabilities in Microsoft Browser

2021-09-2400:00:00
Kaspersky Lab
threats.kaspersky.com
20

9.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

9 High

AI Score

Confidence

Low

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.007 Low

EPSS

Percentile

79.4%

JSON

Detect date:

09/24/2021

Severity:

Warning

Description:

Multiple vulnerabilities were found in Microsoft Browser. Malicious users can exploit these vulnerabilities to execute arbitrary code, cause denial of service, obtain sensitive information, spoof user interface.

Affected products:

Microsoft Edge (Chromium-based)

Solution:

Install necessary updates from the Settings and more menu, that are listed in your About Microsoft Edge page (Microsoft Edge About page usually can be accessed from the Help and feedback option)
Microsoft Edge update settings

Original advisories:

CVE-2021-37961
CVE-2021-37962
CVE-2021-37968
CVE-2021-37969
CVE-2021-37963
CVE-2021-37967
CVE-2021-37958
CVE-2021-37965
CVE-2021-37970
CVE-2021-37959
CVE-2021-37956
CVE-2021-37973
CVE-2021-37972
CVE-2021-37966
CVE-2021-37971
CVE-2021-37960
CVE-2021-37957
CVE-2021-37964

Impacts:

ACE

Related products:

Microsoft Edge

CVE-IDS:

CVE-2021-379598.8Critical
CVE-2021-379728.8Critical
CVE-2021-379654.3Warning
CVE-2021-379714.3Warning
CVE-2021-379664.3Warning
CVE-2021-379634.3Warning
CVE-2021-379585.4High
CVE-2021-379628.8Critical
CVE-2021-379643.3Warning
CVE-2021-379697.8Critical
CVE-2021-379708.8Critical
CVE-2021-379674.3Warning
CVE-2021-379568.8Critical
CVE-2021-379618.8Critical
CVE-2021-379684.3Warning
CVE-2021-379578.8Critical
CVE-2021-379605.0Warning
CVE-2021-379739.6Critical

Microsoft official advisories:

References

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9.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

9 High

AI Score

Confidence

Low

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.007 Low

EPSS

Percentile

79.4%

JSON
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